Home / 19,650.80-27,117.22-10,698.07

Finding the Fourth Proportional to 19,650.80, 27,117.22 and 10,698.07

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Solution

The fourth proportional to 19,650.80, 27,117.22 and 10,698.07 is: 14,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.80 : 27,117.22 = 10,698.07 : x
  2. Step 2: Convert to fraction form
    19,650.80/27,117.22 = 10,698.07/x
  3. Step 3: Cross multiply
    19,650.80x = 27,117.22 × 10,698.07
  4. Step 4: Simplify right side
    19,650.80x = 290,101,917.77
  5. Step 5: Solve for x
    x = 290,101,917.77/19,650.80
  6. Step 6: Final answer
    x = 14,762.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.